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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 2
36.
When a gas in a vessel expands, its internal energy decreases. The process involved is
reversible
irreversible
isothermal
adiabatic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
A system is said to be isopiestic, if there is no __________ change.
temperature
pressure
volume
none of these
Answer: Option
Explanation:
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38.
In a turbine, the fluid expands almost
isothermally
isobarically
adiabatically
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The unity of Planck's constant 'h' in the equation, E = hv is
J/s
J.S
J/kmol
kmol/J
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Specific/molar Gibbs free energy for a pure substance does not change during
sublimation
vaporisation
melting
either (a), (b) or (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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